Acer Aspire AS5250-0639 15.5" Laptop (1.65 GHz AMD Dual-Core Processor E-450, 4 GB RAM, 500 GB Hard Drive, DVD+/-RW Optical Drive, Windows 7 Home Premium 64-bit) AMD E Series Dual Core E 450 Processor 1.65GHz 4GB DDR3 RAM 500GB Hard Drive 15.6-Inch Screen, ATI Radeon HD 6320 Graphics Windows 7 Home Premium